﻿// 
//    Copyright 2010 The JaernCloud Project
// 
//    Licensed under the Apache License, Version 2.0 (the "License");
//    you may not use this file except in compliance with the License.
//    You may obtain a copy of the License at
// 
//        http://www.apache.org/licenses/LICENSE-2.0
// 
//    Unless required by applicable law or agreed to in writing, software
//    distributed under the License is distributed on an "AS IS" BASIS,
//    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
//    See the License for the specific language governing permissions and
//    limitations under the License.
// 
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using JaernCloud.Language.Compiler.Types;
using System.Diagnostics;

namespace JaernCloud.Language.Runtime {
    
    public static class NodeObjectExtensions {

        public static void Expand(this INodeObject<INodeType> nodeObject, bool printIds = false) {
            if (printIds) {
                Debug.WriteLine(nodeObject.ToString());
            }
            if (nodeObject is NodeObject<INodeType>) {
                foreach (INodeObject<INodeType> inherited in (nodeObject as NodeObject<INodeType>).InheritsFrom) {
                    Expand(inherited, printIds);
                }
            }
            foreach (INodeObject<INodeType> child in nodeObject.Children) {
                Expand(child, printIds);
            }
        }

        static int currentId = 1;
        static object currentIdLock = new object();

        public static int NewId {
            get {
                lock (currentIdLock) {
                    return currentId++;
                }
            }
        }

    }
}
